import pandas as pd

s = pd.Series([1, 2, 3], index=['a', 'b', 'c'])
d = pd.DataFrame([[1, 2, 3], [4, 5, 6]], columns=['a', 'b', 'c'])
d2 = pd.DataFrame(s)
d.head()
d.describe()
pd.read_excel('data.xls')
pd.read_csv('data.csv', encoding='utf-8')
